"No Key" American Keyless Push Button Brass Padlock
A neat "No Key" American Key less Pushbutton Brass Padlock in excellent condition with very little wear pat 9-17-07 4-22-09. A neat lock. 2 3/4" X 2" - eBay
The combination to this lock is unknown.
This lock had a starting bid of $75 (Plus $5.05 shipping), but failed to attract any bids.
No-Key T.M. by Berkmann w/1909 Pat. Brass Combo Lock
This is a really cool old lock. I don't see a maker on it, just No-Key and 8 push buttons. I don't have the combination, but I bet someone with a stethoscope could listen to the tumblers and open it. I've seen this on a lock site, but I couldn't read the name, and mine has no name. No reserve. - eBay
This lock sold for $49 (Plus $4.80 shipping)
Antique Brass NO KEY Combination Trick Lock
This lock sold for $112.50 (Plus $5.60 shipping)
2 3/8" H. by 2 3/16" W. Brass Padlock came from estate of long-time pad lock collector. Lock is marked on shackle, "The Edwards Mfg. Co Cinn. O Pat 9-17-07 4-27-09". the other side says "222". the body is marked, "NO-KEY Trade Mark". I have combination, Lock has 8 springy buttons that stick out from the front to the back. If you press 3 of the numbers from the back and one on the front at the same time It will open. Lock is shiny brass, has a small hole in the side of the hasp to attach a chain. No keyhole. Winner will pay actual shipping based on carefully packed weight of 1.5lbs. - eBay
1 Brass Antique Combination Padlock NO KEY Berkmann
This lock had a 'Buy-it-now' price of $89 and sold for a best offer of $70 (Free shipping)
Up for your consideration is this combination padlock marked NO KEY. Patent Date reads 1907? on the collar of the lock. This is a push button padlock. I do not have the combination. - eBay
American Keyless Lock Co. Chicago No Key OLD Padlock
This is a "No Key" padlock manufactured by American Keyless Lock Co., Chicago. It measures approximately 1 5/8 inches across. It's unknown if it works or how it works. - eBayThis lock sold for $36 (Plus $2.70 shipping).